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Each time a new PNF is connected to the network, or reseted to factory settings, a PNF registration process is expected to happen.
Within this process, a VES pnfRegistration event is sent from a PNF instance to the ONAP/DCAE/VES collector.
In order to support Nomadic PNF use-case of a broder broader BBS use-case, an initial registration of a PNF needs to be distinguished from a re-registration.
Initial reogstration registration happens, when a PNF instance registers with ONAP for the first time (it was not used as a resource in any active service instance before).
Generally re-registration happens, when a PNF, that has been used previously to deliver a service is re-connected or resetedreset, and attempts to register again with ONAP.
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The following criteria need to be applied (in teh the order given here), when evaluation, if a registration attempt is a Re-Registration:
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